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Do auth checks *before* persisting the event

This commit is contained in:
Erik Johnston 2015-08-24 16:38:20 +01:00
parent 61f36d9939
commit 51c53369a3
1 changed files with 16 additions and 16 deletions
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32
synapse/handlers/_base.py
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@ -107,6 +107,22 @@ class BaseHandler(object):
if not suppress_auth:
self.auth.check(event, auth_events=context.current_state)
if event.type == EventTypes.CanonicalAlias:
# Check the alias is acually valid (at this time at least)
room_alias_str = event.content.get("alias", None)
if room_alias_str:
room_alias = RoomAlias.from_string(room_alias_str)
directory_handler = self.hs.get_handlers().directory_handler
mapping = yield directory_handler.get_association(room_alias)
if mapping["room_id"] != event.room_id:
raise SynapseError(
400,
"Room alias %s does not point to the room" % (
room_alias_str,
)
)
(event_stream_id, max_stream_id) = yield self.store.persist_event(
event, context=context
)
@ -130,22 +146,6 @@ class BaseHandler(object):
returned_invite.signatures
)
if event.type == EventTypes.CanonicalAlias:
# Check the alias is acually valid (at this time at least)
room_alias_str = event.content.get("alias", None)
if room_alias_str:
room_alias = RoomAlias.from_string(room_alias_str)
directory_handler = self.hs.get_handlers().directory_handler
mapping = yield directory_handler.get_association(room_alias)
if mapping["room_id"] != event.room_id:
raise SynapseError(
400,
"Room alias %s does not point to the room" % (
room_alias_str,
)
)
destinations = set(extra_destinations)
for k, s in context.current_state.items():
try: